Finding the Fourth Proportional to 125,414.05, 188,151.18 and 46,528.96
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Solution
The fourth proportional to 125,414.05, 188,151.18 and 46,528.96 is: 69,804.61
Step by Step Solution
- Step 1: Write the proportion equation
125,414.05 : 188,151.18 = 46,528.96 : x - Step 2: Convert to fraction form
125,414.05/188,151.18 = 46,528.96/x - Step 3: Cross multiply
125,414.05x = 188,151.18 × 46,528.96 - Step 4: Simplify right side
125,414.05x = 8,754,478,728.17 - Step 5: Solve for x
x = 8,754,478,728.17/125,414.05 - Step 6: Final answer
x = 69,804.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.